In air a light source emits a wavelength of 630 nm. Under water the wavelength of this light will be

a. 630 nm.
b. less than 630 nm.
c. more than 630 nm.
d. unpredictable.


b

Physics & Space Science

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Fill in the blank(s) with the appropriate word(s).

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If the angular frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum acceleration of the oscillator change?

A) 2 B) 4 C) It does not change. D) 1/2 E) 1/4

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An electron is bound in an infinite well (a box) of width 0.10 nm. If the electron is initially in the n = 8 state and falls to the n = 7 state, find the wavelength of the emitted photon

(c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg)

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Matter Waves: If the wavelength of a photon in vacuum is the same as the de Broglie wavelength of an electron, which one is traveling faster through space?

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Physics & Space Science